Motor truck



a. SICHROEDER..

MOOF TRUCK.

APPLICATION FILED MAY 8, 1920.

s Patente-June 27, i922 4 SHEETS-SHEET L A?.

Hum

css. SCHHQEER,

MOTOR TRUCK.

APPLICAHON FILED MAY s, 1920.

L Patented June 27, 1922;,

4 SHEETS-SHEET '2.

C. S. SCHRUEDER.

MOTOR TRUCK.

APPLICATION FILED MAY s, w20.

'Patented June 27, i922.,

4 SHEETS-SHEET 3.

II L I l I I r l I "I |I II II Ix 'I :I

C. S. SCHROEDER.

MOTOR TRUCK,

APPLICATION FILED MAY 8, 1920.

Patented 11111627, 1922.

j entran stares "Pars-Nr orsi-cs.'-

CHARLES s. scHnoEDEn, or NEWY isnIGHToN, NEW YORK, Assistme, BY MESNE I .ASSIGNMENTS To. THE YALE a TowNn MANUFACTURING coivrrANy, or

STANFORD, coNNneTtoUT, A CORPORATION" or CONNECTICUT.

Moron Tanon;

,Patented-Jane 2a, 1922.

Application filed May 8, 1920.' Serial No. 379,775.

T 0 all whom t may concer/1t.'

Be it known that.. I, CHARLES S. Sci-Ironman, a citizen ofthe United States, residing in New Brighton, in the borough of Richmond of the city of kew York, in the State of INew'Yorlnhave invented certain new and useful improvements in Motor Trucks, of which the following is a specification, reference being had to the accompanying drawings, forming a part hereof.

This invention is concerned particularly motor and steering wheels. as well as carrylng wheels, and has for its obJect to provide improved m-eans'ffor the application of the brakes to such wheels, which must swing about 4substantially vertical axes, for the purpose of steering, as well as rotate on substantially horizontal axes.' Some features of the invention, however, will be seen to Abe applicable tofother types of motor vehicles, and particularly to those in which the steering ywheels are also driving wheels, operated-'from the motor independent of the wheels. The yinvention will be more fully explained hereinafter with reference to the accompanying drawings in which it is illustrated and in which- Figure l is a view in side elevation, partly broken away vand in section through the band brake of one of the wheels, showing a truck to which the invention is applied.

Figure 2 lis a view of the same in end elevation as seen from the right hand in Figure l.

Figure 3 is a top view of the same with the battery box vbroken away.

Figure 4 is a detail view in section, illustrating particularly the supporting and steering devices for one of the wheels on a scale larger than that of Figures l, 2 and 3.

Figure 5 is a detail view in front elevation of the-devices directly involved in the operation'of the brake band.

In the embodiment of the invention illustrated in thel drawings the frame a of the truck is shown as supporting at a a storage battery box, secured to the front of which members a2.

and to the frame membersY are vertical frame In the lower ends of the frame members a2 is mount-ed a shaft b to which is fixed the 'platform b upon which the driver stands while operating the truck, the platform being drawn upwardby springs b2, into the position shown in Figure l, when the driver steps from the platform. The main driving wheels c, supposed in this instance to have incorporated with them electric motors, suitably connected as usual to a controller' and storage battery not necessary to be shown, are mounted upon spindles c which'are ixed in the lower ends of substantially vertical steering knuckles d, which are mounted, with suitable bearings, in the end portions a3 of a fixed axle at, supported by the frame members a. A. steering lever e, pivoted on one of the frame members a2,

is connected b v a link e to an arm e2, which islixed on a shaft e3 mounted in a suitable bearing in one of the frame members. Another arm et fixed to the shaft es, is connected by a link e5 to an arm e which is suitably secured to the lower endof the steering knuckle (Z. As shown in Figure 3. the arm e6 may also be cross-,connectedv by a link e7 to the steering knuckles of the rear wheels 7'. By theineans just described the steering of the vehicle, through theswinging of the steering wheels about the substantially vertical axes of the steering knuckles, is effected by the movement of the steering lever e in a vertical plane. Any usual or suitable means for this purpose may be employed.

The problem with which the present invention is directly con-cerned is the application ot' a brake to each of the steering and driving wheels. its convenient control by the driver in all the varied angular positions of the driving` wheels, and its control by such means that the brakes shall be applied whenever the foot of the operator is removed. for any reason, from the brake pedal. Each driving wheel c is formed with or has secured thereto a brake drum o2 which is encircled by a brake band g. .One end ofthe band issecured to apin g adjustable on a of the bolt g2 is forked, as at g3, to engage a substantially. right-angledv lever gt. rThe y out the eded on the stud z.

other end o the brake band is connected to a pinY g5 guided in slotted openings in the arms of a yoke h2 which is hung on a stud it, and is mountedv in the end portion or the short, horizontal arm of the right-angled lever g4. The end portion of the long, sub stantially vertical arm of the lever g4 is engaged by a pin i in the. end vof an arm fel which is carried by a sleeveorhub '2 mountt Another erm 3 of the sleeve or hub' 2 has connected to it one end of the 'brake spring` 4, while' a third arm 5 is connected to the corresponding end oav cable Ic which is passed around guideu sheaves le', concentric respectiively With the steering knuckles d and preferably mounted thereon. The bight of the cable k, the tivo ends yof which are connected to the arms i5 respectively, is engaged by a guide-sheave ,75? carried in a housing '7c3 which has at one end a guide rod kt, guided in an aperture in 'a lug' a5 of the fixed axle ce. The other end of the housing Agris connected by a link 7:5 with an arm 7156 of a sleeve k7 mounted/on the shaft b. The brake pedal les, which is independent of the platform ii, is fixed to the sleeve 767 and is -lield normally in its elevated vosition, as shown inFigure l, by the spring zt, through its connections.

' lt will be understood that in operation the action of the spring t on the 'arm 3 moves the arm z" in such a direction that the rightangled lever gi draws the two ends oit 'the brake band toward er h other, so that Withervention oli the driver each brake band g tightened about the corresponding drum c2 and the brakes are applied. rllie application of the drivers foot to the brake pedal 1:8, lio-Wever, tightens the cable .7c and, through the arms 55, acting aga-inst the springs 4, moves the arms and the levers gr4 ina direction te cause the ends of the brake bands to karate, thereby releasing the brakes. lt willk be observed that the brake operating` levers d", 3 and g* are carried by the steering knuckle and swing with the Wheel and that the brake controlling level` or pedal 708 acts through connections which are concentric with each steering 'knuckle so that the application or release or the brake are in no wise aii'ectedby the 'change in angular position. of the steering i `Wheel.

Allt will be understood that various changes in details of construction and arrangement can be made to suit different conditions of use or the convenience of the manufacturer and that the invention is not limited to the precise Iconstruction shown 'and described herein except aspointed out in the claims.

insonne l claim as my invention:

l. ln a motor truck, the combination of a steering knuckle, a Wheel carried by the steering knuckleand having a brake drum, brake band and Iconnected operating levers therefor supported by the steering knuckle the tivo ends of said brake band being connected with one of said operating levers, a brake controlling lever mounted independently' oit the steering knuckle, and an operative connection rom'the controlling lever to the operating levers disposed concentrically with the steering knuckle.

2i in a motor truck, the combination of a steering knuckle, a Wheel carried by the steering; knuckle and having a brake drum, a brake band and connected operating` levers therefor supported by the steering knuckle the tivo ends of said brake band being secured to one of said operating levers, a brake coirtrolling` lever mounted independently of the steering knuckle, a cable connected to the brake operating levers, a guide therefor concentric with the steering knuckle, and an operative connection between the controlling lever and the cable.

3. l-n motor truck, the combination of a steering knuckle, a wheel carried by the steering` knuckle and having,` a brake drum, an arm extended from the steering` knuckle, brake operating.; levers mounted on said arm, and a brake band cooperating with the brake drum and operatively connected at its tvvo ends with one of said operating levers.

d. ln a motor truck, the combination of a steering knuckle, a Wheel carried by 'the steering` knuckle and having a brake druin, an arni extended from the steering` knuckle, a stud carried by said arm,an armv mounted to swing on said stud, a bentv lever engaged at one end by said latter arm, and a brake band hai/ing its opposite ends connected with the other arm of said bent lever at different points.

a motor truck, the combination of a steering` knuckle, a Wheel carried by the steering` knuckle and having a brake drum, an arm extended from the steering knuckle, a stud carried by said arm, a brake band, an anni mounted to swing on' said stud., operative connections between the brake band and said latter arm, a spring operatively conneeted4 at one end with said arm and at the other end -With the steering knuckle, and con rolling means operatively connected to said arm to move the saine in opposition to the spring;

This 'specification signedl this 7th day of llfl'ay L ll. i926, l

sinistre s. sei-incense. 

